The Snapture Conduit does the actual synchronization when you HotSync. The HotSync application runs the conduit.
To launch this dialog box, right-click on the HotSync icon, choose "Custom..." and then choose Snapture and then hit "Change
Synchronize the files This is the default setting. The files will be synchronized between the PC directory and the handheld's card.
Do nothing This setting keeps the conduit from running. You may want to use this option if you want to quickly disable the synchronization of the Snaps for one HotSync cycle.